generic_permission

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

NAME

generic_permission - check for access rights on a Posix-like filesystem

SYNOPSIS

int generic_permission(struct inode * inode, int mask, int (*check_acl) (struct inode *inode, int mask));

ARGUMENTS

inode

inode to check access rights for

mask

right to check for (MAY_READ, MAY_WRITE, MAY_EXEC)

check_acl

optional callback to check for Posix ACLs

DESCRIPTION

Used to check for read/write/execute permissions on a file. We use lqfsuidrq for this, letting us set arbitrary permissions for filesystem access without changing the lqnormalrq uids which are used for other things..